PDF malware analysis — malicious · 97894d681c11ba9a

MALICIOUS

PDF

95.9 KB

MD5: 30486d2a3d85ba27e566f41db306b46c SHA-1: 9e9167493973599e43a431e53706b0d25a370355 SHA-256: 97894d681c11ba9a06ba63781a3ae5221e6c34bd84e3b9ad662a7de3e2edee16

172 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript/JScript

The file is a PDF document that leverages XFA forms and embedded JavaScript to exploit CVE-2010-0188 in Adobe Reader. The deobfuscated JavaScript stager, recovered as xfa_numeric_stage_000.js, likely downloads and executes a second-stage payload. The embedded URL is related to XFA schemas but is not directly malicious.

Heuristics 6

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
ClamAV: Pdf.Exploit.Dropped-78 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
XFA numeric JavaScript stager high PDF_XFA_NUMERIC_JS_STAGER

PDF XFA script reconstructs a hidden JavaScript stage from numeric field data or a character table, then evals the result. The decoder is gated on XFA script, numeric staging, and recovered exploit-like JavaScript or shellcode markers.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`xfa_numeric_stage_000.js` `4633dd81b5fd04cb999d2d792169b1a89834a8fdc9b17eb287e078361f9d9e35`	deobfuscated-js	XFA character-table decoded JavaScript (raw) at offset 0x2EB	3746 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s). Carved artifact contains 3 long base64-like blob(s).

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